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Seeder depth control system

A depth control and seeder technology, applied in the direction of electrical program control, use feedback control, program control in the sequence/logic controller, etc., can solve the problem of inconsistency in seeding depth of the seeder, and achieve easy independent setting and Adjustment, maintain stable load operation, and realize the effect of precise control

Inactive Publication Date: 2014-01-29
INNER MONGOLIA AGRICULTURAL UNIVERSITY
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Problems solved by technology

[0005] The object of the present invention is to provide a seeder depth control system, aiming to solve the problem of inconsistency of depth when the existing seeder sows

Method used

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  • Seeder depth control system

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Embodiment Construction

[0017] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0018] figure 1 The structure diagram of the seeder depth control system provided by the present invention is shown. For ease of illustration, only the parts relevant to the present invention are shown.

[0019] The present invention provides a seeder depth control system, the seeder depth control system includes:

[0020] The ultrasonic sensor is used to collect the unevenness of the sowing ground and convert it into an electrical signal;

[0021] The PLC controller is connected to the ultrasonic sensor through the analog input port to realize accurate collection and precise control of the seeding depth of the field see...

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Abstract

The invention discloses a seeder depth control system. Land unevenness is collected by an ultrasonic sensor and converted into an electrical signal; the electrical signal is transmitted to a PLC to process; processing results are output an analog output module; action of an electromagnetic valve is controlled; an oil cylinder is driven to descend or ascend; a ditcher depth regulator is controlled in real time. Seeding depth can be regulated quickly and accurately. Seeding depth of a seeder can be precisely controlled effectively. Related parameters can be set in real time through an embedded integrated touch screen. The touch screen is communicated with the PLC through a communication port. Related information acquired is centrally displayed in real time. The seeder depth control system has the advantages that the quality of crop planting is guaranteed, the copying form of each component of a seeding unit of the precision seeder can be designed into independent copying, and seeding depth can be independently controlled according to surface fluctuation.

Description

technical field [0001] The invention belongs to the field of agricultural machinery control, in particular to a seeder depth control system. Background technique [0002] The sowing depth of the precision seeder is one of the indicators strictly required in the sowing process. It has a greater impact on the yield. The sowing depth is the thickness of the soil layer covered by the seeds implanted in the ground. The thickness of the soil layer on the seeds with the same horizontal depth is also different. Therefore, to maintain the same sowing depth, it is necessary to control the openers of each sowing unit to move up and down with the undulation of the ground, that is, profiling. In order to maintain the same depth of penetration, the current planters mostly use mechanical profiling devices, which have many advantages such as relatively simple structure, low cost, no need for external energy control, and convenient maintenance. However, the profiling accuracy is relatively l...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D3/12G05B19/05
Inventor 张永陈智宗哲英张春慧孙建英高利军
Owner INNER MONGOLIA AGRICULTURAL UNIVERSITY
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